<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .menus {
            width: 200px;
            /*height: 50px;*/
            border: 1px solid red;
        }

        .menus .header {
            background-color: gold;
            padding: 20px 10px;
        }
        /*我是注释*/
    </style>

</head>
<body>
<script src="../static/js/my.js">
    // 我是注释
    /*我是注释*/
</script>
<div class="menus">
    <div class="header" onclick="f()">大标题</div>
    <div class="item" onclick="myFuncs()">内容</div>
</div>
<div>
<!--    我是注释-->
</div>

</body>
</html>